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- Untd. Performace Catless Downpipe - Audi A3 2.0T TT Mk2 - VW GOLF 2.0T MK5 MK6
- Untd. Performance Catless After Downpipe - Porsche Panamera 971 2.9T 2018
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Give your 1.8T the power and sound it deserves with the Untd. Performance 3″ Catless Downpipe. Designed for Audi A4 B5/B6 and VW Passat models equipped with the legendary 1.8T 20V engine, this high-flow upgrade removes factory restrictions and unlocks real performance gains. With a full 3” design and catless configuration, it delivers faster turbo response, increased horsepower, and a more aggressive exhaust tone—built for enthusiasts who demand more from their turbocharged setup.
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Unleash the full potential of your Audi A4 B7 2.0T with the Untd. Performance 3″ Catless Downpipe. Built for enthusiasts who demand more power, quicker spool, and an aggressive exhaust tone, this downpipe eliminates the factory catalytic converter and opens up the exhaust path with a full 3″ mandrel-bent design. Whether you’re daily driving or pushing hard on the dyno, this upgrade transforms your 2.0T into a sharper, more responsive machine.
A Stage 2 ECU tune is recommended for proper usage of this downpipe.
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Unleash the full performance potential of your Audi A4 or A5 B9 2.0T with the Untd. Performance 3″ Catless Downpipe. Designed to eliminate factory flow restrictions, this precision-engineered downpipe delivers massive improvements in exhaust velocity, turbo response, and power output—all while enhancing your exhaust note with a more aggressive, motorsport-inspired tone. Whether you’re building a street-tuned sleeper or a dedicated track machine, this is the essential first step in waking up your B9 2.0T.
A Stage 2 ECU tune is recommended for proper usage of this downpipe.
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Unleash hidden power and bring your 2.0T to life with the Untd. Performance 3″ Catless Downpipe for the Audi A4, A5, and Q5 (B8/B8.5 chassis). Designed to replace the restrictive factory downpipe, this high-flow, catless upgrade drastically improves exhaust flow, enhances turbo spool, and adds a more aggressive tone—giving your Audi a true performance edge both on the street and at the track.
A Stage 2 ECU tune is recommended for proper usage of this downpipe.
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- Full stainless steel 304 material pipes
- Laser CNC cut head and exhaust flanges
- CNC cut three into one, precision slip fit collectors
- Mandrel bends
- Fully TIG welded
- Direct Bolt on to the left hand drive B8 3.0T S4 and S5
- Perfect fitment with both the factory and all cat back exhaust systems
ONLY FOR 3.0T TFSI SUPERCHARGED ENGINE